GB294986A - Manufacture of acid wool dyestuffs - Google Patents
Manufacture of acid wool dyestuffsInfo
- Publication number
- GB294986A GB294986A GB22298/28A GB2229828A GB294986A GB 294986 A GB294986 A GB 294986A GB 22298/28 A GB22298/28 A GB 22298/28A GB 2229828 A GB2229828 A GB 2229828A GB 294986 A GB294986 A GB 294986A
- Authority
- GB
- United Kingdom
- Prior art keywords
- manufacture
- amino
- acid
- wool dyestuffs
- acid wool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
- C09B1/16—Amino-anthraquinones
- C09B1/20—Preparation from starting materials already containing the anthracene nucleus
- C09B1/26—Dyes with amino groups substituted by hydrocarbon radicals
- C09B1/32—Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups
- C09B1/34—Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups sulfonated
- C09B1/343—Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups sulfonated only sulfonated in the anthracene nucleus
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
294,986. I. G. Farbenindustrie Akt.- Ges. Aug. 3, 1927, [Convention date]. Addition to 282,409. Anthraquinone dyes.-Acid wool dyestuffs are produced by condensing 1-amino-4-bromanthraquinone-2-sulphonic acid with 4-aminoformanilide having an alkyl group in the formylamino group. According to an example, 1-amino-4-bromanthraquione-2-sulphonic acid is condensed with 4- aminomethylformanilide, in the presence of water and copper sulphate at elevated temperature. The use of 4-aminoethylformanilide is also mentioned. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the use of 4- aminobenzylformanilide. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEI31840D DE483231C (en) | 1927-08-03 | 1927-08-03 | Process for the preparation of acidic wool dyes |
Publications (1)
Publication Number | Publication Date |
---|---|
GB294986A true GB294986A (en) | 1929-10-24 |
Family
ID=6088188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22298/28A Expired GB294986A (en) | 1927-08-03 | 1928-08-01 | Manufacture of acid wool dyestuffs |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE483231C (en) |
FR (1) | FR35633E (en) |
GB (1) | GB294986A (en) |
-
1927
- 1927-08-03 DE DEI31840D patent/DE483231C/en not_active Expired
-
1928
- 1928-07-25 FR FR35633D patent/FR35633E/en not_active Expired
- 1928-08-01 GB GB22298/28A patent/GB294986A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR35633E (en) | 1930-03-26 |
DE483231C (en) | 1929-11-16 |
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